Chamber Comparison
O2Seven O2SevenvsSechrist Industries 4100H
O2Seven
O2Seven
1.5
ATA
—
Starting
—
Warranty
Sechrist Industries
4100H
3
ATA
$90K
Starting
1yr
Warranty
The Bottom Line
The Sechrist Industries 4100H has clear advantages in max pressure, fda clearance, and clinical credibility. However, both chambers sit in the Clinical Grade tier, so consider your specific requirements before deciding.
Key Differences
O2Seven
1.5 ATA
Sechrist Industries
3 ATA
Higher pressure enables more clinical protocols. The Sechrist Industries 4100H reaches 3 ATA, which supports FDA-approved treatment protocols.
O2Seven
Not FDA Cleared
Sechrist Industries
FDA Cleared
FDA clearance matters if you need insurance reimbursement, plan to operate a clinical facility, or want the highest safety assurance. For home wellness use, it's less critical.
O2Seven
3/10
Sechrist Industries
9/10
This score reflects published studies, certifications, and clinical adoption. Higher scores indicate stronger evidence backing the manufacturer's claims.
Who Should Buy Which?
Best for
Sechrist Industries 4100H
Bariatric patients, claustrophobic patients, maximum comfort clinical programs
View full details →Full Specification Comparison
| Specification | O2Seven O2Seven | Sechrist Industries 4100H |
|---|---|---|
| Chamber Type | Hard-Shell Monoplace | Hard-Shell Monoplace |
| Performance Tier | Clinical Grade | Clinical Grade |
| Max Pressure | 1.5 ATA | 3 ATA★ |
| Oxygen Delivery | mask/cannula | 100%-medical-grade |
| O₂ Concentration | Up to 95% | 100% oxygen environment (entire chamber pressurized with O2) |
| Capacity | 1-person | 1-person |
| Weight | — | 3,000 lbs |
| Interior Dimensions | — | 41in diameter (world's largest monoplace alongside Perry Sigma 40) |
| Portability | fixed-installation | fixed-installation |
| FDA Cleared | No | Yes (#K140559)★ |
| CE Marked | No | Yes★ |
| Made In | Japan | United States |
| Price | Contact manufacturer | $90,000 - $140,000 |
| Warranty | — | 1 year |
| Clinical Score | 3/10 | 9/10★ |
| Brand Established | — | 1973 |
| Climate Control | No | Yes★ |
| Communication System | No | Yes★ |
| Emergency Features | — | Dual emergency vent system, fire suppression, safety interlocks |
O2Seven O2Seven — Standout Features
Sechrist Industries 4100H — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
Request Quotes →Related Comparisons
HPO TECH Zeugma
vs
O2Seven O2Seven
HPO TECH Zeugma
vs
Sechrist Industries 4100H
O2Seven O2Seven
vs
OxyHelp OxyLife I/90
OxyHelp OxyLife I/90
vs
Sechrist Industries 4100H
O2Seven O2Seven
vs
OxyHelp OxyLife I/80
OxyHelp OxyLife I/80
vs
Sechrist Industries 4100H
O2Seven O2Seven
vs
Sechrist Industries 3600H
Sechrist Industries 3600H
vs
Sechrist Industries 4100H